Seroprevalence of IgM/IgG and Neutralizing Antibodies against SARS-CoV-2 in Unvaccinated Young Adults from Mexico Who Reported Not Having Had a Previous COVID-19 Infection
Table 1
Clinical and demographic characteristics of the study groups.
Parameter
Total unvaccinated young adults n = 171
Prior COVID-19 by self-report
value
Yes 21.05% (n = 36)
No 78.94% (n = 135)
Demographic
Age (years)a
25 (18–35)
25 (18–35)
24 (18–35)
0.704
Genderb
Female
69 (118/171)
75 (27/36)
67.4 (91/135)
0.381
Male
31 (53/171)
25 (9/36)
32.6 (44/135)
Clinical symptomsb
Asymptomatic
—
13.8 (7/36)
—
—
Mild
—
80.5 (29/36)
—
Moderate
—
2.8 (1/36)
—
Serious
—
2.8 (1/36)
—
aMedian; bpercentage data. values were calculated by the Mann–Whitney U and chi-square test (median (IQR)).